提高生长性能，管理好猪的环境(幻灯片)-Maximizi.pptx

Maximizing Growth PerformanceManaging the Pigs’ Environment提高生长性能，管理好猪的环境;商业性能和性能潜力;Effect of rearing environment on growth and carcass characteristics (40 to 120 kg liveweight)饲养环境对生长和胴体性状的影响(40～120千克活重);Growth Performance on Commercial Units in US Midwest美国中西部商品猪场内的生长性能;Why focus on increasing growth rate?为何注重增加生长速度;Maximizing total facility output提高设备的总利用率;Reduced Growth Rate生长率降低;Temperature effect on performance in growing pigs温度对生长猪性能的影响 ;Restricted space allowance effect on performance in growing pigs圈栏面积对生长猪性能的影响;Mixing stress effect on performance in growing pigs混群应激对生长猪的影响;Effects of number of stressors on performance: (a) average daily gain; (b) daily feed intake; (c) gain:feed.应激对日增重日采食量和料肉比的影响;High environmental temperature高温环境;Temperature Effects on Growth温度对生长的影响;Floor Type: Straw 垫草 Solid 水泥 Fully全漏缝 地板类型 Bedded Concrete Slatted oC oC oC Piglets Pre-weaning (Age)哺乳仔猪 Day 1 30 31 32 Day 3 28 30 29 Day 5 24 26 27 Day 17 22 24 25 Pigs Post Weaning (Weight)断奶猪 6 kg (d of weaning) 27 28 30 6 kg (once started eating) 26 27 29 8 kg 24 26 28 10 kg 21 23 25 15 kg 19 20 23 20 kg 15 17 21 30 kg 13 15 19 45 kg 10 12 17 60 kg 9 11 16 90 kg 8 10 15 MEAT AND LIVESTOCK COMMISSION, 1999;Floor Type: Straw 垫草 Solid水泥 Fully全漏缝 地板类型 Bedded Concrete Slatted oC oC oC Dry Sows (in groups) 空怀母猪 Service Area 10 12 15 (assumes “Flushing”) Gestation 15 17 20 Farrowing Sows产仔母猪 Day 1 to 3 post farrowing 18 20 23 Day 4 to weaning 16 18 20 MEAT AND LIVESTOCK COMMISSION, 1999;Consequences of Cold Conditions寒冷的后果;Consequences of Hot Conditions炎热的后果;Relationship between voluntary feed intake and ambient temperature for pigs at different live weight 不同活重猪自主采食量和环境温度之间的关系;Temperature effect on performance in growing pigs温度对生长猪性能的影响 ;Effect of temperature on diurnal pattern of behavioral observations: (a) Lying;; (b) Sitting; (c) Standing; (d) Eating.温度对行为的影响:躺倒,坐立,站立和采食 ? Temperature means differ (P 0.01).